Answer: Sacroplasmic recticulum is an organelle in the muscle cells that stores calcium used in muscle contraction.
Explanation:
Muscle contraction is the activation of sites in the muscle fibres that produce tension. It does not necessary means muscle shortening as tension can be generated without any change in muscle length.
Sacroplasmic recticulum is similar to endoplasmic recticulum and its is an organelle in the muscle cells that stores calcium needed for muscle contraction. It contains the ion channels pump that are responsible for pumping calcium into the sacroplasmic recticulum.
The inputs of photosynthesis are CO2( carbon dioxide), sunlight, and water.
Answer:
economic health influences health of a person by being able to support said character
Explanation:
The answer is C) the sun. “The sun is the major source of energy for organisms and the ecosystems which they are part of” & “Light is the PRIMARY source of energy to almost all ecosystems”
Oxygen is absorbed by the blood in the capillaries that surround the alveoli